Home / 92,275.11-138,498.77-47,330.21

Finding the Fourth Proportional to 92,275.11, 138,498.77 and 47,330.21

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Solution

The fourth proportional to 92,275.11, 138,498.77 and 47,330.21 is: 71,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,275.11 : 138,498.77 = 47,330.21 : x
  2. Step 2: Convert to fraction form
    92,275.11/138,498.77 = 47,330.21/x
  3. Step 3: Cross multiply
    92,275.11x = 138,498.77 × 47,330.21
  4. Step 4: Simplify right side
    92,275.11x = 6,555,174,939.70
  5. Step 5: Solve for x
    x = 6,555,174,939.70/92,275.11
  6. Step 6: Final answer
    x = 71,039.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.